code not running properly

Question

Some time gets "Launch Cancelled" error. Gets stuck at 'Open Time Sheet ' Button btn01. Any help is appreciated.

TimeSheet.java

package com.example.TimeSheet;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
public class TimeSheet extends Activity 
{
 /** Called when the activity is first created. */
 @Override
 public void onCreate(Bundle savedInstanceState) 
 {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.main);
 startActivity(new Intent(this, MenuExample.class));
 }
} 

MenuExample.java

package com.example.TimeSheet;
import android.app.Activity;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ContextMenu.ContextMenuInfo;
import android.widget.Button;
import android.widget.Toast;
public class MenuExample extends Activity
{ 
 @Override
 public void onCreate(Bundle savedInstanceState) 
 {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.menu); 
 Button btn = (Button) findViewById(R.id.btn1); 
 btn.setOnCreateContextMenuListener(this);
 }
 private void CreateMenu(Menu menu)
 {
 menu.setQwertyMode(true);
 MenuItem mnu1 = menu.add(0, 0, 0, "Fill Time Sheet");
 {
 mnu1.setAlphabeticShortcut('a');
 mnu1.setIcon(R.drawable.icon1);
 }
 MenuItem mnu2 = menu.add(0, 1, 1, "Check Time Sheet");
 {
 mnu2.setAlphabeticShortcut('b');
 mnu2.setIcon(R.drawable.icon2); 
 }
 MenuItem mnu3 = menu.add(0, 2, 2, "Exit Time Sheet");
 {
 mnu3.setAlphabeticShortcut('c');
 mnu3.setIcon(R.drawable.icon3);
 }
 }
 private boolean MenuChoice(MenuItem item)
 { 
 switch (item.getItemId()) 
 {
 case 0:
 Toast.makeText(this, "You clicked on Item 1", 
 Toast.LENGTH_LONG).show();
 return true;
 case 1:
 Toast.makeText(this, "You clicked on Item 2", 
 Toast.LENGTH_LONG).show();
 return true;
 case 2:
 Toast.makeText(this, "You clicked on Item 3", 
 Toast.LENGTH_LONG).show();
 return true;
 }
 return false;
 } 
 // Using Context Menu
 /*
 @Override
 public boolean onCreateOptionsMenu(Menu menu)
 {
 super.onCreateOptionsMenu(menu);
 CreateMenu(menu);
 return true;
 }*/
 @Override
 public boolean onOptionsItemSelected(MenuItem item)
 { 
 return MenuChoice(item); 
 }
 @Override
 public void onCreateContextMenu(ContextMenu menu, View view, 
 ContextMenuInfo menuInfo) 
 {
 super.onCreateContextMenu(menu, view, menuInfo);
 CreateMenu(menu);
 }
 @Override
 public boolean onContextItemSelected(MenuItem item)
 { 
 return MenuChoice(item); 
 } 
}

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:orientation="vertical"
 android:layout_width="fill_parent"
 android:layout_height="fill_parent">
</LinearLayout>

menu.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:orientation="vertical"
 android:layout_width="fill_parent"
 android:layout_height="fill_parent">
 <Button android:id="@+id/btn1"
 android:layout_width="fill_parent"
 android:layout_height="wrap_content" 
 android:text = "Open Time Sheet"/> 
</LinearLayout> 

..................................
[2010年09月27日 00:51:57 - TimeSheet] HOME is up on device 'emulator-5554'
[2010年09月27日 00:51:57 - TimeSheet] Uploading TimeSheet.apk onto device 'emulator-5554'
[2010年09月27日 00:52:08 - TimeSheet] Failed to upload TimeSheet.apk on device 'emulator-5554'
[2010年09月27日 00:52:08 - TimeSheet] java.io.IOException: Unable to upload file: null
[2010年09月27日 00:52:08 - TimeSheet] Launch canceled!

• Siya: sorry for the inconvenience because of false editing.
• Siya: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <Button android:id="@+id/btn1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text = "Open Time Sheet"/> </LinearLayout>
• Cheryl Simon: Can you describe in more detail the exact error you are getting, including stack trace? use adb logcat to get the stack trace.
• Siya: i cnt put d whole stack trace here....
• Siya: I have edited question with stack trace.Please help me out. I have gone through other questions from site to get help, but unfortunately, solutions mentioned there are not useful for me.

Answer 1

In Eclipse, go to Window -> Preferences -> Android -> DDMS -> ADB connection timeout...

Set to something bigger, like 10000 (ms).

I was having the same problem and this solved it.